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| <div class="title">read-write-util.h</div> </div> |
| </div><!--header--> |
| <div class="contents"> |
| <a href="read-write-util_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2012 Cloudera Inc.</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// limitations under the License.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#ifndef IMPALA_EXEC_READ_WRITE_UTIL_H</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor"></span><span class="preprocessor">#define IMPALA_EXEC_READ_WRITE_UTIL_H</span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <boost/cstdint.hpp></span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <sstream></span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "<a class="code" href="logging_8h.html">common/logging.h</a>"</span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="status_8h.html">common/status.h</a>"</span></div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="bit-util_8h.html">util/bit-util.h</a>"</span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span>impala {</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div> |
| <div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="read-write-util_8h.html#a2a5a24ebaf26175881d20696ab510565"> 27</a></span> <span class="preprocessor">#define RETURN_IF_FALSE(x) if (UNLIKELY(!(x))) return false</span></div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="classimpala_1_1ReadWriteUtil.html"> 34</a></span> <span class="keyword">class </span><a class="code" href="classimpala_1_1ReadWriteUtil.html">ReadWriteUtil</a> {</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">public</span>:</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="classimpala_1_1ReadWriteUtil.html#a525af28d23515345d12cdc5c685670aa"> 37</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#a525af28d23515345d12cdc5c685670aa">MAX_VINT_LEN</a> = 9;</div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div> |
| <div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="classimpala_1_1ReadWriteUtil.html#a6c9ec33f885d1cab31dbbed5dbcc7df9"> 40</a></span>  <span class="keyword">const</span> <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#a6c9ec33f885d1cab31dbbed5dbcc7df9">MAX_ZINT_LEN</a> = 5;</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="classimpala_1_1ReadWriteUtil.html#aff4c3d90947c072b0afdebf0c6eaa4f4"> 41</a></span>  <span class="keyword">const</span> <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#aff4c3d90947c072b0afdebf0c6eaa4f4">MAX_ZLONG_LEN</a> = 10;</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#ab81f59e1e77d6e24e6665f324d270103">PutZInt</a>(int32_t integer, uint8_t* buf);</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#ae6cd3bf5ed4d6b5d5ec99fa3833ebe01">PutZLong</a>(int64_t longint, uint8_t* buf);</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">static</span> T <a class="code" href="classimpala_1_1ReadWriteUtil.html#a7c6d4a1dac8326ad74d6cc22bafe7408">GetInt</a>(<span class="keyword">const</span> uint8_t* buffer);</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#a1e142a430b919149e22bbb4f4c536257">GetVLong</a>(uint8_t* buf, int64_t* vlong);</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#af4fd38c7a2aa340c39adbd753912d88f">GetVInt</a>(uint8_t* buf, int32_t* vint);</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">static</span> int64_t <a class="code" href="classimpala_1_1ReadWriteUtil.html#a6afd9d4695a70b5d76b8fa80e66ac2eb">PutVLong</a>(int64_t val, uint8_t* buf);</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">static</span> int64_t <a class="code" href="classimpala_1_1ReadWriteUtil.html#aa0926ebee26e78e9011692f2a05383c9">PutVInt</a>(int32_t val, uint8_t* buf);</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#ae16270dd4ba1a40051b152188c3e6519">VLongRequiredBytes</a>(int64_t val);</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#a1e142a430b919149e22bbb4f4c536257">GetVLong</a>(uint8_t* buf, int64_t <a class="code" href="partitioning-throughput-test_8cc.html#ad172ecfd5c31c5df6282c2b4bc322bf7">offset</a>, int64_t* vlong);</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#ace5d4a06269b8fdc549f5d045f9c8a02">PutInt</a>(uint8_t* buf, uint16_t integer);</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#ace5d4a06269b8fdc549f5d045f9c8a02">PutInt</a>(uint8_t* buf, uint32_t integer);</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#ace5d4a06269b8fdc549f5d045f9c8a02">PutInt</a>(uint8_t* buf, <a class="code" href="classuint64__t.html">uint64_t</a> integer);</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">static</span> std::string <a class="code" href="classimpala_1_1ReadWriteUtil.html#a9c6a8fcabb5a5edb77de5866d5a4f7f4">HexDump</a>(<span class="keyword">const</span> uint8_t* buf, int64_t length);</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">static</span> std::string <a class="code" href="classimpala_1_1ReadWriteUtil.html#a9c6a8fcabb5a5edb77de5866d5a4f7f4">HexDump</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* buf, int64_t length);</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#a2593f928f5cdd47690b5dc6b3dd2ad22">IsNegativeVInt</a>(int8_t byte);</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#a0a2f35674a0eed066511aa202454510f">DecodeVIntSize</a>(int8_t byte);</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">static</span> int64_t <a class="code" href="classimpala_1_1ReadWriteUtil.html#a77092ba12bddf8ef917abe7571faaae0">ReadZLong</a>(uint8_t** buf);</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">static</span> int32_t <a class="code" href="classimpala_1_1ReadWriteUtil.html#ac4cf5e7889ed00786a256cd70a591065">ReadZInt</a>(uint8_t** buf);</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">template</span> <<span class="keyword">class</span> T></div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#aced7e41756045a1a45b5ca6ed4381a69">Read</a>(uint8_t** buf, <span class="keywordtype">int</span>* buf_len, T* val, <a class="code" href="classimpala_1_1Status.html">Status</a>* status);</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#a864b12d7784e4ec7ade0a1725c1fc84a">SkipBytes</a>(uint8_t** buf, <span class="keywordtype">int</span>* buf_len, <span class="keywordtype">int</span> num_bytes, <a class="code" href="classimpala_1_1Status.html">Status</a>* status);</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span> };</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="keyword">template</span><></div> |
| <div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="classimpala_1_1ReadWriteUtil.html#a18a8fe331ea04ee800c6469002f88efa"> 110</a></span> <span class="keyword">inline</span> uint16_t <a class="code" href="classimpala_1_1ReadWriteUtil.html#a7c6d4a1dac8326ad74d6cc22bafe7408">ReadWriteUtil::GetInt</a>(<span class="keyword">const</span> uint8_t* buf) {</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">return</span> (buf[0] << 8) | buf[1];</div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span> }</div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="keyword">template</span><></div> |
| <div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="classimpala_1_1ReadWriteUtil.html#a71b392cddda93cde7fc4920df750297d"> 115</a></span> <span class="keyword">inline</span> uint32_t <a class="code" href="classimpala_1_1ReadWriteUtil.html#a7c6d4a1dac8326ad74d6cc22bafe7408">ReadWriteUtil::GetInt</a>(<span class="keyword">const</span> uint8_t* buf) {</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">return</span> (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span> }</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="keyword">template</span><></div> |
| <div class="line"><a name="l00120"></a><span class="lineno"><a class="line" href="classimpala_1_1ReadWriteUtil.html#a8364b11fb8db0332dd2820e6126c923d"> 120</a></span> <span class="keyword">inline</span> <a class="code" href="classuint64__t.html">uint64_t</a> <a class="code" href="classimpala_1_1ReadWriteUtil.html#a7c6d4a1dac8326ad74d6cc22bafe7408">ReadWriteUtil::GetInt</a>(<span class="keyword">const</span> uint8_t* buf) {</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <a class="code" href="classuint64__t.html">uint64_t</a> upper_half = GetInt<uint32_t>(buf);</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <a class="code" href="classuint64__t.html">uint64_t</a> lower_half = GetInt<uint32_t>(buf + 4);</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">return</span> lower_half | upper_half << 32;</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span> }</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div> |
| <div class="line"><a name="l00126"></a><span class="lineno"><a class="line" href="classimpala_1_1ReadWriteUtil.html#ace5d4a06269b8fdc549f5d045f9c8a02"> 126</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#ace5d4a06269b8fdc549f5d045f9c8a02">ReadWriteUtil::PutInt</a>(uint8_t* buf, uint16_t integer) {</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  buf[0] = integer >> 8;</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  buf[1] = integer;</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span> }</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div> |
| <div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="classimpala_1_1ReadWriteUtil.html#a6eb088df4d758afce1c68956cb73c882"> 131</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#ace5d4a06269b8fdc549f5d045f9c8a02">ReadWriteUtil::PutInt</a>(uint8_t* buf, uint32_t integer) {</div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  uint32_t big_endian = <a class="code" href="classimpala_1_1BitUtil.html#a0687eb3f3f797999ba3c05d6786ef757">BitUtil::ByteSwap</a>(integer);</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  memcpy(buf, &big_endian, <span class="keyword">sizeof</span>(uint32_t));</div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span> }</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div> |
| <div class="line"><a name="l00136"></a><span class="lineno"><a class="line" href="classimpala_1_1ReadWriteUtil.html#ab30056aa8fc55ce55b457dc92f2cdc41"> 136</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#ace5d4a06269b8fdc549f5d045f9c8a02">ReadWriteUtil::PutInt</a>(uint8_t* buf, <a class="code" href="classuint64__t.html">uint64_t</a> integer) {</div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="classuint64__t.html">uint64_t</a> big_endian = <a class="code" href="classimpala_1_1BitUtil.html#a0687eb3f3f797999ba3c05d6786ef757">BitUtil::ByteSwap</a>(integer);</div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  memcpy(buf, &big_endian, <span class="keyword">sizeof</span>(<a class="code" href="classuint64__t.html">uint64_t</a>));</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span> }</div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div> |
| <div class="line"><a name="l00141"></a><span class="lineno"><a class="line" href="classimpala_1_1ReadWriteUtil.html#af4fd38c7a2aa340c39adbd753912d88f"> 141</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#af4fd38c7a2aa340c39adbd753912d88f">ReadWriteUtil::GetVInt</a>(uint8_t* buf, int32_t* vint) {</div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  int64_t vlong = 0;</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordtype">int</span> len = <a class="code" href="classimpala_1_1ReadWriteUtil.html#a1e142a430b919149e22bbb4f4c536257">GetVLong</a>(buf, &vlong);</div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  *vint = <span class="keyword">static_cast<</span>int32_t<span class="keyword">></span>(vlong);</div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">return</span> len;</div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span> }</div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div> |
| <div class="line"><a name="l00148"></a><span class="lineno"><a class="line" href="classimpala_1_1ReadWriteUtil.html#a1e142a430b919149e22bbb4f4c536257"> 148</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#a1e142a430b919149e22bbb4f4c536257">ReadWriteUtil::GetVLong</a>(uint8_t* buf, int64_t* vlong) {</div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#a1e142a430b919149e22bbb4f4c536257">GetVLong</a>(buf, 0, vlong);</div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span> }</div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div> |
| <div class="line"><a name="l00152"></a><span class="lineno"><a class="line" href="classimpala_1_1ReadWriteUtil.html#ac31c76f8ad4dfad7488aad9cfce92ed7"> 152</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#a1e142a430b919149e22bbb4f4c536257">ReadWriteUtil::GetVLong</a>(uint8_t* buf, int64_t <a class="code" href="partitioning-throughput-test_8cc.html#ad172ecfd5c31c5df6282c2b4bc322bf7">offset</a>, int64_t* vlong) {</div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  int8_t firstbyte = (int8_t) buf[0 + offset];</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordtype">int</span> len = <a class="code" href="classimpala_1_1ReadWriteUtil.html#a0a2f35674a0eed066511aa202454510f">DecodeVIntSize</a>(firstbyte);</div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">if</span> (len > <a class="code" href="classimpala_1_1ReadWriteUtil.html#a525af28d23515345d12cdc5c685670aa">MAX_VINT_LEN</a>) <span class="keywordflow">return</span> -1;</div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">if</span> (len == 1) {</div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  *vlong = <span class="keyword">static_cast<</span>int64_t<span class="keyword">></span>(firstbyte);</div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">return</span> len;</div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  }</div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  *vlong &= ~*vlong;</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 1; i < len; i++) {</div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  *vlong = (*vlong << 8) | buf[i+offset];</div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  }</div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1ReadWriteUtil.html#a2593f928f5cdd47690b5dc6b3dd2ad22">IsNegativeVInt</a>(firstbyte)) {</div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  *vlong = *vlong ^ ((int64_t) - 1);</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  }</div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">return</span> len;</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span> }</div> |
| <div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div> |
| <div class="line"><a name="l00175"></a><span class="lineno"><a class="line" href="classimpala_1_1ReadWriteUtil.html#ae16270dd4ba1a40051b152188c3e6519"> 175</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#ae16270dd4ba1a40051b152188c3e6519">ReadWriteUtil::VLongRequiredBytes</a>(int64_t val) {</div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// returns size of the encoded long value, not including the 1 byte for length</span></div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">if</span> (val & 0xFF00000000000000llu) <span class="keywordflow">return</span> 8;</div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">if</span> (val & 0x00FF000000000000llu) <span class="keywordflow">return</span> 7;</div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">if</span> (val & 0x0000FF0000000000llu) <span class="keywordflow">return</span> 6;</div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">if</span> (val & 0x000000FF00000000llu) <span class="keywordflow">return</span> 5;</div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">if</span> (val & 0x00000000FF000000llu) <span class="keywordflow">return</span> 4;</div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">if</span> (val & 0x0000000000FF0000llu) <span class="keywordflow">return</span> 3;</div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">if</span> (val & 0x000000000000FF00llu) <span class="keywordflow">return</span> 2;</div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="comment">// Values between -112 and 127 are stored using 1 byte,</span></div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="comment">// values between -127 and -112 are stored using 2 bytes</span></div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="comment">// See ReadWriteUtil::DecodeVIntSize for this case</span></div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">if</span> (val < -112) <span class="keywordflow">return</span> 2;</div> |
| <div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">return</span> 1;</div> |
| <div class="line"><a name="l00189"></a><span class="lineno"> 189</span> }</div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span> </div> |
| <div class="line"><a name="l00191"></a><span class="lineno"><a class="line" href="classimpala_1_1ReadWriteUtil.html#a6afd9d4695a70b5d76b8fa80e66ac2eb"> 191</a></span> <span class="keyword">inline</span> int64_t <a class="code" href="classimpala_1_1ReadWriteUtil.html#a6afd9d4695a70b5d76b8fa80e66ac2eb">ReadWriteUtil::PutVLong</a>(int64_t val, uint8_t* buf) {</div> |
| <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  int64_t num_bytes = <a class="code" href="classimpala_1_1ReadWriteUtil.html#ae16270dd4ba1a40051b152188c3e6519">VLongRequiredBytes</a>(val);</div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">if</span> (num_bytes == 1) {</div> |
| <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="comment">// store the value itself instead of the length</span></div> |
| <div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  buf[0] = <span class="keyword">static_cast<</span>int8_t<span class="keyword">></span>(val);</div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">return</span> 1;</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  }</div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div> |
| <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="comment">// This is how we encode the length for a length less than or equal to 8</span></div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  buf[0] = -119 + num_bytes;</div> |
| <div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="comment">// write to buffer in reversed endianness</span></div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < num_bytes; ++i) {</div> |
| <div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  buf[i+1] = (val >> (8 * (num_bytes - i - 1))) & 0xFF;</div> |
| <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  }</div> |
| <div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div> |
| <div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="comment">// +1 for the length byte</span></div> |
| <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">return</span> num_bytes + 1;</div> |
| <div class="line"><a name="l00210"></a><span class="lineno"> 210</span> }</div> |
| <div class="line"><a name="l00211"></a><span class="lineno"> 211</span> </div> |
| <div class="line"><a name="l00212"></a><span class="lineno"><a class="line" href="classimpala_1_1ReadWriteUtil.html#aa0926ebee26e78e9011692f2a05383c9"> 212</a></span> <span class="keyword">inline</span> int64_t <a class="code" href="classimpala_1_1ReadWriteUtil.html#aa0926ebee26e78e9011692f2a05383c9">ReadWriteUtil::PutVInt</a>(int32_t val, uint8_t* buf) {</div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#a6afd9d4695a70b5d76b8fa80e66ac2eb">PutVLong</a>(val, buf);</div> |
| <div class="line"><a name="l00214"></a><span class="lineno"> 214</span> }</div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div> |
| <div class="line"><a name="l00216"></a><span class="lineno"><a class="line" href="classimpala_1_1ReadWriteUtil.html#ac4cf5e7889ed00786a256cd70a591065"> 216</a></span> <span class="keyword">inline</span> int32_t <a class="code" href="classimpala_1_1ReadWriteUtil.html#ac4cf5e7889ed00786a256cd70a591065">ReadWriteUtil::ReadZInt</a>(uint8_t** buf) {</div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  int64_t zlong = <a class="code" href="classimpala_1_1ReadWriteUtil.html#a77092ba12bddf8ef917abe7571faaae0">ReadZLong</a>(buf);</div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>int32_t<span class="keyword">></span>(zlong);</div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span> }</div> |
| <div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div> |
| <div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div> |
| <div class="line"><a name="l00222"></a><span class="lineno"><a class="line" href="classimpala_1_1ReadWriteUtil.html#aced7e41756045a1a45b5ca6ed4381a69"> 222</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#aced7e41756045a1a45b5ca6ed4381a69">ReadWriteUtil::Read</a>(uint8_t** buf, <span class="keywordtype">int</span>* buf_len, T* val, <a class="code" href="classimpala_1_1Status.html">Status</a>* status) {</div> |
| <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordtype">int</span> val_len = <span class="keyword">sizeof</span>(T);</div> |
| <div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(val_len > *buf_len)) {</div> |
| <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  std::stringstream ss;</div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  ss << <span class="stringliteral">"Cannot read "</span> << val_len << <span class="stringliteral">" bytes, buffer length is "</span> << *buf_len;</div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  *status = <a class="code" href="classimpala_1_1Status.html">Status</a>(ss.str());</div> |
| <div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  }</div> |
| <div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  *val = *<span class="keyword">reinterpret_cast<</span>T*<span class="keyword">></span>(*buf);</div> |
| <div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  *buf += val_len;</div> |
| <div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  *buf_len -= val_len;</div> |
| <div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00234"></a><span class="lineno"> 234</span> }</div> |
| <div class="line"><a name="l00235"></a><span class="lineno"> 235</span> </div> |
| <div class="line"><a name="l00236"></a><span class="lineno"><a class="line" href="classimpala_1_1ReadWriteUtil.html#a864b12d7784e4ec7ade0a1725c1fc84a"> 236</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#a864b12d7784e4ec7ade0a1725c1fc84a">ReadWriteUtil::SkipBytes</a>(uint8_t** buf, <span class="keywordtype">int</span>* buf_len, <span class="keywordtype">int</span> num_bytes,</div> |
| <div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <a class="code" href="classimpala_1_1Status.html">Status</a>* status) {</div> |
| <div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  DCHECK_GE(*buf_len, 0);</div> |
| <div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">if</span> (<a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(num_bytes > *buf_len)) {</div> |
| <div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  std::stringstream ss;</div> |
| <div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  ss << <span class="stringliteral">"Cannot skip "</span> << num_bytes << <span class="stringliteral">" bytes, buffer length is "</span> << *buf_len;</div> |
| <div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  *status = <a class="code" href="classimpala_1_1Status.html">Status</a>(ss.str());</div> |
| <div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  }</div> |
| <div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  *buf += num_bytes;</div> |
| <div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  *buf_len -= num_bytes;</div> |
| <div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00248"></a><span class="lineno"> 248</span> }</div> |
| <div class="line"><a name="l00249"></a><span class="lineno"> 249</span> </div> |
| <div class="line"><a name="l00250"></a><span class="lineno"><a class="line" href="classimpala_1_1ReadWriteUtil.html#a2593f928f5cdd47690b5dc6b3dd2ad22"> 250</a></span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#a2593f928f5cdd47690b5dc6b3dd2ad22">ReadWriteUtil::IsNegativeVInt</a>(int8_t byte) {</div> |
| <div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">return</span> byte < -120 || (byte >= -112 && byte < 0);</div> |
| <div class="line"><a name="l00252"></a><span class="lineno"> 252</span> }</div> |
| <div class="line"><a name="l00253"></a><span class="lineno"> 253</span> </div> |
| <div class="line"><a name="l00254"></a><span class="lineno"><a class="line" href="classimpala_1_1ReadWriteUtil.html#a0a2f35674a0eed066511aa202454510f"> 254</a></span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classimpala_1_1ReadWriteUtil.html#a0a2f35674a0eed066511aa202454510f">ReadWriteUtil::DecodeVIntSize</a>(int8_t byte) {</div> |
| <div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">if</span> (byte >= -112) {</div> |
| <div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordflow">return</span> 1;</div> |
| <div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (byte < -120) {</div> |
| <div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">return</span> -119 - byte;</div> |
| <div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  }</div> |
| <div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">return</span> -111 - byte;</div> |
| <div class="line"><a name="l00261"></a><span class="lineno"> 261</span> }</div> |
| <div class="line"><a name="l00262"></a><span class="lineno"> 262</span> </div> |
| <div class="line"><a name="l00263"></a><span class="lineno"> 263</span> }</div> |
| <div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="preprocessor">#endif</span></div> |
| <div class="ttc" id="classimpala_1_1ReadWriteUtil_html_a0a2f35674a0eed066511aa202454510f"><div class="ttname"><a href="classimpala_1_1ReadWriteUtil.html#a0a2f35674a0eed066511aa202454510f">impala::ReadWriteUtil::DecodeVIntSize</a></div><div class="ttdeci">static int DecodeVIntSize(int8_t byte)</div><div class="ttdoc">Determines the total length in bytes of a Writable VInt/VLong from the first byte. </div><div class="ttdef"><b>Definition:</b> <a href="read-write-util_8h_source.html#l00254">read-write-util.h:254</a></div></div> |
| <div class="ttc" id="classimpala_1_1ReadWriteUtil_html_a6c9ec33f885d1cab31dbbed5dbcc7df9"><div class="ttname"><a href="classimpala_1_1ReadWriteUtil.html#a6c9ec33f885d1cab31dbbed5dbcc7df9">impala::ReadWriteUtil::MAX_ZINT_LEN</a></div><div class="ttdeci">static const int MAX_ZINT_LEN</div><div class="ttdoc">Maximum lengths for Zigzag encodings. </div><div class="ttdef"><b>Definition:</b> <a href="read-write-util_8h_source.html#l00040">read-write-util.h:40</a></div></div> |
| <div class="ttc" id="classimpala_1_1ReadWriteUtil_html_ab81f59e1e77d6e24e6665f324d270103"><div class="ttname"><a href="classimpala_1_1ReadWriteUtil.html#ab81f59e1e77d6e24e6665f324d270103">impala::ReadWriteUtil::PutZInt</a></div><div class="ttdeci">static int PutZInt(int32_t integer, uint8_t *buf)</div><div class="ttdoc">Put a zigzag encoded integer into a buffer and return its length. </div><div class="ttdef"><b>Definition:</b> <a href="read-write-util_8cc_source.html#l00038">read-write-util.cc:38</a></div></div> |
| <div class="ttc" id="logging_8h_html"><div class="ttname"><a href="logging_8h.html">logging.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1ReadWriteUtil_html_a864b12d7784e4ec7ade0a1725c1fc84a"><div class="ttname"><a href="classimpala_1_1ReadWriteUtil.html#a864b12d7784e4ec7ade0a1725c1fc84a">impala::ReadWriteUtil::SkipBytes</a></div><div class="ttdeci">static bool SkipBytes(uint8_t **buf, int *buf_len, int num_bytes, Status *status)</div><div class="ttdoc">Skip the next num_bytes bytes. </div><div class="ttdef"><b>Definition:</b> <a href="read-write-util_8h_source.html#l00236">read-write-util.h:236</a></div></div> |
| <div class="ttc" id="classimpala_1_1BitUtil_html_a0687eb3f3f797999ba3c05d6786ef757"><div class="ttname"><a href="classimpala_1_1BitUtil.html#a0687eb3f3f797999ba3c05d6786ef757">impala::BitUtil::ByteSwap</a></div><div class="ttdeci">static int64_t ByteSwap(int64_t value)</div><div class="ttdoc">Swaps the byte order (i.e. endianess) </div><div class="ttdef"><b>Definition:</b> <a href="bit-util_8h_source.html#l00149">bit-util.h:149</a></div></div> |
| <div class="ttc" id="classimpala_1_1Status_html"><div class="ttname"><a href="classimpala_1_1Status.html">impala::Status</a></div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00081">status.h:81</a></div></div> |
| <div class="ttc" id="classimpala_1_1ReadWriteUtil_html_ace5d4a06269b8fdc549f5d045f9c8a02"><div class="ttname"><a href="classimpala_1_1ReadWriteUtil.html#ace5d4a06269b8fdc549f5d045f9c8a02">impala::ReadWriteUtil::PutInt</a></div><div class="ttdeci">static void PutInt(uint8_t *buf, uint16_t integer)</div><div class="ttdef"><b>Definition:</b> <a href="read-write-util_8h_source.html#l00126">read-write-util.h:126</a></div></div> |
| <div class="ttc" id="classimpala_1_1ReadWriteUtil_html_a6afd9d4695a70b5d76b8fa80e66ac2eb"><div class="ttname"><a href="classimpala_1_1ReadWriteUtil.html#a6afd9d4695a70b5d76b8fa80e66ac2eb">impala::ReadWriteUtil::PutVLong</a></div><div class="ttdeci">static int64_t PutVLong(int64_t val, uint8_t *buf)</div><div class="ttdef"><b>Definition:</b> <a href="read-write-util_8h_source.html#l00191">read-write-util.h:191</a></div></div> |
| <div class="ttc" id="classimpala_1_1ReadWriteUtil_html_aced7e41756045a1a45b5ca6ed4381a69"><div class="ttname"><a href="classimpala_1_1ReadWriteUtil.html#aced7e41756045a1a45b5ca6ed4381a69">impala::ReadWriteUtil::Read</a></div><div class="ttdeci">static bool Read(uint8_t **buf, int *buf_len, T *val, Status *status)</div><div class="ttdef"><b>Definition:</b> <a href="read-write-util_8h_source.html#l00222">read-write-util.h:222</a></div></div> |
| <div class="ttc" id="classimpala_1_1ReadWriteUtil_html_a77092ba12bddf8ef917abe7571faaae0"><div class="ttname"><a href="classimpala_1_1ReadWriteUtil.html#a77092ba12bddf8ef917abe7571faaae0">impala::ReadWriteUtil::ReadZLong</a></div><div class="ttdeci">static int64_t ReadZLong(uint8_t **buf)</div><div class="ttdef"><b>Definition:</b> <a href="read-write-util_8cc_source.html#l00024">read-write-util.cc:24</a></div></div> |
| <div class="ttc" id="bit-util_8h_html"><div class="ttname"><a href="bit-util_8h.html">bit-util.h</a></div></div> |
| <div class="ttc" id="classimpala_1_1ReadWriteUtil_html_aff4c3d90947c072b0afdebf0c6eaa4f4"><div class="ttname"><a href="classimpala_1_1ReadWriteUtil.html#aff4c3d90947c072b0afdebf0c6eaa4f4">impala::ReadWriteUtil::MAX_ZLONG_LEN</a></div><div class="ttdeci">static const int MAX_ZLONG_LEN</div><div class="ttdef"><b>Definition:</b> <a href="read-write-util_8h_source.html#l00041">read-write-util.h:41</a></div></div> |
| <div class="ttc" id="classuint64__t_html"><div class="ttname"><a href="classuint64__t.html">uint64_t</a></div></div> |
| <div class="ttc" id="classimpala_1_1ReadWriteUtil_html_ac4cf5e7889ed00786a256cd70a591065"><div class="ttname"><a href="classimpala_1_1ReadWriteUtil.html#ac4cf5e7889ed00786a256cd70a591065">impala::ReadWriteUtil::ReadZInt</a></div><div class="ttdeci">static int32_t ReadZInt(uint8_t **buf)</div><div class="ttdoc">Read a zig-zag encoded int. </div><div class="ttdef"><b>Definition:</b> <a href="read-write-util_8h_source.html#l00216">read-write-util.h:216</a></div></div> |
| <div class="ttc" id="classimpala_1_1ReadWriteUtil_html_af4fd38c7a2aa340c39adbd753912d88f"><div class="ttname"><a href="classimpala_1_1ReadWriteUtil.html#af4fd38c7a2aa340c39adbd753912d88f">impala::ReadWriteUtil::GetVInt</a></div><div class="ttdeci">static int GetVInt(uint8_t *buf, int32_t *vint)</div><div class="ttdef"><b>Definition:</b> <a href="read-write-util_8h_source.html#l00141">read-write-util.h:141</a></div></div> |
| <div class="ttc" id="classimpala_1_1ReadWriteUtil_html_a2593f928f5cdd47690b5dc6b3dd2ad22"><div class="ttname"><a href="classimpala_1_1ReadWriteUtil.html#a2593f928f5cdd47690b5dc6b3dd2ad22">impala::ReadWriteUtil::IsNegativeVInt</a></div><div class="ttdeci">static bool IsNegativeVInt(int8_t byte)</div><div class="ttdoc">Determines the sign of a VInt/VLong from the first byte. </div><div class="ttdef"><b>Definition:</b> <a href="read-write-util_8h_source.html#l00250">read-write-util.h:250</a></div></div> |
| <div class="ttc" id="status_8h_html"><div class="ttname"><a href="status_8h.html">status.h</a></div></div> |
| <div class="ttc" id="compiler-util_8h_html_a9acc330d508b9a3b775cfdf7ce405e7d"><div class="ttname"><a href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a></div><div class="ttdeci">#define UNLIKELY(expr)</div><div class="ttdef"><b>Definition:</b> <a href="compiler-util_8h_source.html#l00033">compiler-util.h:33</a></div></div> |
| <div class="ttc" id="classimpala_1_1ReadWriteUtil_html_a1e142a430b919149e22bbb4f4c536257"><div class="ttname"><a href="classimpala_1_1ReadWriteUtil.html#a1e142a430b919149e22bbb4f4c536257">impala::ReadWriteUtil::GetVLong</a></div><div class="ttdeci">static int GetVLong(uint8_t *buf, int64_t *vlong)</div><div class="ttdef"><b>Definition:</b> <a href="read-write-util_8h_source.html#l00148">read-write-util.h:148</a></div></div> |
| <div class="ttc" id="partitioning-throughput-test_8cc_html_ad172ecfd5c31c5df6282c2b4bc322bf7"><div class="ttname"><a href="partitioning-throughput-test_8cc.html#ad172ecfd5c31c5df6282c2b4bc322bf7">offset</a></div><div class="ttdeci">uint8_t offset[7 *64-sizeof(uint64_t)]</div><div class="ttdef"><b>Definition:</b> <a href="partitioning-throughput-test_8cc_source.html#l00037">partitioning-throughput-test.cc:37</a></div></div> |
| <div class="ttc" id="classimpala_1_1ReadWriteUtil_html"><div class="ttname"><a href="classimpala_1_1ReadWriteUtil.html">impala::ReadWriteUtil</a></div><div class="ttdef"><b>Definition:</b> <a href="read-write-util_8h_source.html#l00034">read-write-util.h:34</a></div></div> |
| <div class="ttc" id="classimpala_1_1ReadWriteUtil_html_a9c6a8fcabb5a5edb77de5866d5a4f7f4"><div class="ttname"><a href="classimpala_1_1ReadWriteUtil.html#a9c6a8fcabb5a5edb77de5866d5a4f7f4">impala::ReadWriteUtil::HexDump</a></div><div class="ttdeci">static std::string HexDump(const uint8_t *buf, int64_t length)</div><div class="ttdoc">Dump the first length bytes of buf to a Hex string. </div><div class="ttdef"><b>Definition:</b> <a href="read-write-util_8cc_source.html#l00072">read-write-util.cc:72</a></div></div> |
| <div class="ttc" id="classimpala_1_1ReadWriteUtil_html_aa0926ebee26e78e9011692f2a05383c9"><div class="ttname"><a href="classimpala_1_1ReadWriteUtil.html#aa0926ebee26e78e9011692f2a05383c9">impala::ReadWriteUtil::PutVInt</a></div><div class="ttdeci">static int64_t PutVInt(int32_t val, uint8_t *buf)</div><div class="ttdef"><b>Definition:</b> <a href="read-write-util_8h_source.html#l00212">read-write-util.h:212</a></div></div> |
| <div class="ttc" id="classimpala_1_1ReadWriteUtil_html_ae16270dd4ba1a40051b152188c3e6519"><div class="ttname"><a href="classimpala_1_1ReadWriteUtil.html#ae16270dd4ba1a40051b152188c3e6519">impala::ReadWriteUtil::VLongRequiredBytes</a></div><div class="ttdeci">static int VLongRequiredBytes(int64_t val)</div><div class="ttdoc">returns size of the encoded long value, not including the 1 byte for length </div><div class="ttdef"><b>Definition:</b> <a href="read-write-util_8h_source.html#l00175">read-write-util.h:175</a></div></div> |
| <div class="ttc" id="classimpala_1_1ReadWriteUtil_html_a525af28d23515345d12cdc5c685670aa"><div class="ttname"><a href="classimpala_1_1ReadWriteUtil.html#a525af28d23515345d12cdc5c685670aa">impala::ReadWriteUtil::MAX_VINT_LEN</a></div><div class="ttdeci">static const int MAX_VINT_LEN</div><div class="ttdoc">Maximum length for Writeable VInt. </div><div class="ttdef"><b>Definition:</b> <a href="read-write-util_8h_source.html#l00037">read-write-util.h:37</a></div></div> |
| <div class="ttc" id="classimpala_1_1ReadWriteUtil_html_a7c6d4a1dac8326ad74d6cc22bafe7408"><div class="ttname"><a href="classimpala_1_1ReadWriteUtil.html#a7c6d4a1dac8326ad74d6cc22bafe7408">impala::ReadWriteUtil::GetInt</a></div><div class="ttdeci">static T GetInt(const uint8_t *buffer)</div><div class="ttdoc">Get a big endian integer from a buffer. The buffer does not have to be word aligned. </div></div> |
| <div class="ttc" id="classimpala_1_1ReadWriteUtil_html_ae6cd3bf5ed4d6b5d5ec99fa3833ebe01"><div class="ttname"><a href="classimpala_1_1ReadWriteUtil.html#ae6cd3bf5ed4d6b5d5ec99fa3833ebe01">impala::ReadWriteUtil::PutZLong</a></div><div class="ttdeci">static int PutZLong(int64_t longint, uint8_t *buf)</div><div class="ttdoc">Put a zigzag encoded long integer into a buffer and return its length. </div><div class="ttdef"><b>Definition:</b> <a href="read-write-util_8cc_source.html#l00055">read-write-util.cc:55</a></div></div> |
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